Science

Thursday, 5 November 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Earth
The largest part of the Earth's land is used for animal breeding (30 to 47 percent).
This is followed by wasteland and wilderness (24 to 31 percent), human forests (16 to 27 percent), arable farms (12 to 14 percent), and infrastructure (1 percent).
Cosmos
There are about 200 trillion galaxies in the universe.
Each has a different composition and size. The largest galaxies can span up to 2 million light years.
Anorexia Nervosa
One can speak of anorexia when certain symptoms appear in a person’s behavior.
These include: BMI is equal to or less than 17.5 The presence of a strong fear of getting fat or ob ...
Snow
In 2008, there was a violent snowstorm in Afghanistan.
Temperatures there dropped to – 30 degrees Celsius, and up to 180 centimeters of snow fell in most o ...
Moon
The average time between new moons is 29 days, 12 hours, 44 minutes and 3 seconds. We call this period the synodic month.
It is longer than the sidereal month because in the process of illuminating the moon's disk, we must take into account the movement of the Moon itself, as well as the Earth and the Sun.
Graphene
Another potential area of application of graphene is materials engineering.
Very high-quality graphene could be combined with other materials, e.g. rubber or plastics, which wo ...
Brain
Thanks to the word patterns stored in memory, a person is able to read the text in which the letters have been mixed.
It is enough for the first and last letters of a word to be in the correct place.
Anorexia Nervosa
Trauma is also a risk factor for anorexia-there is a link between traumatic events and an eating disorder diagnosis.
Approximately 72 percent of people with anorexia report a traumatic event before the onset of eating ...
Ganymede
Ganymede is the largest moon of Jupiter and the largest moon in the solar system.
Snow
Snow crystals were first photographed in 1879.
This was done by German lawyer, astronomer, naturalist, and nature photographer Johann Heinrich Ludw ...